(19)

(11)

EP 2 868 132 A1

(12)

(43) Date of publication: 06.05.2015 Bulletin 2015/19 (21) Application number: 12880122.2 (22) Date of filing: 29.06.2012

(51) International Patent Classification (IPC):  H04W 16/20(2009.01) H04W 16/22(2009.01) (86) International application number: PCT/US2012/044762 (87) International publication number: WO 2014/003770 (03.01.2014 Gazette 2014/01)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME (71) Applicant: Hewlett-Packard Development Company, L.P. Houston, TX 77070 (US)	(72) Inventors: GALLEGOS, Fabiel Zuniga Roseville, California 95747 (US) CAMPOS, Allan Delgado Heredia (CR) (74) Representative: Hufton, David Alan  HGF Limited Fountain Precinct Balm Green Sheffield S1 2JA Sheffield S1 2JA (GB)